Write a program in c for strcmp without using library function?

iam serching job somany comapnies asking this question but iam not getting lz reply anybody

Write a program in c for strcmp without using library function?
******************************


returns


zero if both are equal


-1 if stringlength is not equal // u can configure any value


non-zero value when not equal ( max used to return the maximum of str1 and str2. u may choose char of str1 also)


i dont have compiler so i didnt tested.


Please check in for loop whether it should i%26lt;len1 or i%26lt;=len1


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int mystrcmp(char * str1, char * str2)


{





int i=0,len1=0,len2=0,flag=0;





while(str1[i++]!='\0')


len1++;





i=0;





while(str2[i++]!='\0')


len2++;





if(len1!=len2)


flag=-1;





for(i=0;i%26lt;len1 %26amp;%26amp; flag==0;i++)


{


if(str1[i]==str2[i])


continue;





flag=max(str1[i],str2[i]);


break;


}





return flag;


}
Reply:If you don't know how to do this without outside assistance, you shouldn't go to work for a company that expects you to be able to do so.